John Arthur Kennedy (February 17, 1914 – January 5, 1990) was an American stage and film actor known for his versatility in supporting film roles and his ability to create "an exceptional honesty and naturalness on stage", especially in the original casts of Arthur Miller plays on Broadway. He won the 1949 Tony Award for Best Featured Actor in a Play for Miller's Death of a Salesman. He also won the Golden Globe for Best Supporting Actor for the 1955 film Trial, and was a five-time Academy Award nominee.